AQ_F_0400056_20190715_ST_RvwMemo (4)

DIVISION OF AIR QUALITY
July 15,2019
MEMORANDUM
To: Heather Carter,Fayetteville Regional Office Supervisor
From: Brent W.Hall, Stationary Source Compliance Branch(SSCB Aw-
Subject: Piedmont Natural Gas Company—Wadesboro Compressor Station
Wadesboro,Anson County,North Carolina
Facility ID 0400056,Air Permit No. 10097TOI
Nitrogen Oxides, Carbon Monoxide,and Volatile Organic Compounds
Emissions Testing of Natural Gas-Fired Spark Ignition(SI)Emergency Generator EGO
By Mostardi Platt,May 8,2019
DAQ Tracking No. 2019-093ST
Mostardi Platt performed EPA Method 320 for nitrogen oxides(NOX), carbon monoxide(CO),and
volatile organic compounds(VOC)emissions from emergency generator EGO1. The emissions test
results demonstrate compliance with the applicable regulations.
EGO is a four-stroke lean burn natural gas-fired emergency generator rated at a maximum 880
horsepower(hp)or 600 kW. 40 CFR 60 Subpart JJJJ Standards of Performance for Stationary Spark
Ignition Internal Combustion Engines and 40 CFR 63 Subpart ZZZZ National Emission Standards for
Hazardous Air Pollutants for Reciprocating Internal Combustion Engines(RICE)applies. 60 Subpart
JJJJ establishes NO., CO, and VOC limits in parts per million by volume dry corrected to 15%oxygen
(ppmvd@15%02). Table 1 from 60 Subpart JJJJ specifies the limits for emergency engines>130 hp.
The emissions test results and limits are shown in the following table.
Pollutant Test Result Emission Limit Regulation Compliance
NO. 145.4 my 15%0z 160 ppmvd 15%02 60 Subpart
CO 163.1 my 15/o0z 540 /o mvd 15 Oz ' JJJJ Yes
VOC as C3Hs 10.1 my a,15%Oz 86 mvd 15%Oz
1 VOC is non-methane organic compounds
The generator is rated at 600 kW maximum. During testing the generator averaged 572 kW, or 95%of
maximum. The test results demonstrate compliance with the applicable regulations. If there are any
questions regarding this review,please contact me at(919)707-8427 or Brent.Hall(dmcdenny-ov.
Cc: Central Files,Anson County
IBEAM Documents-0400056